DE205056C - - Google Patents

Info

Publication number

DE205056C

DE205056C DENDAT205056D DE205056DA DE205056C DE 205056 C DE205056 C DE 205056C DE NDAT205056 D DENDAT205056 D DE NDAT205056D DE 205056D A DE205056D A DE 205056DA DE 205056 C DE205056 C DE 205056C

Authority

DE

Germany

Prior art keywords

dust

hood

borehole

dust collector

pipe

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Active

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• 239000000428 dust Substances 0.000 claims description 15
• 238000005553 drilling Methods 0.000 claims description 6
• 239000011435 rock Substances 0.000 claims description 3
• 238000007789 sealing Methods 0.000 description 2
• PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 1
• 241000131971 Bradyrhizobiaceae Species 0.000 description 1
• 229920000742 Cotton Polymers 0.000 description 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 210000000078 claw Anatomy 0.000 description 1
• 238000006073 displacement reaction Methods 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 239000010959 steel Substances 0.000 description 1

Cited By (1)